Home / 51,637.12-77,455.68-36,085.12

Finding the Fourth Proportional to 51,637.12, 77,455.68 and 36,085.12

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Solution

The fourth proportional to 51,637.12, 77,455.68 and 36,085.12 is: 54,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,637.12 : 77,455.68 = 36,085.12 : x
  2. Step 2: Convert to fraction form
    51,637.12/77,455.68 = 36,085.12/x
  3. Step 3: Cross multiply
    51,637.12x = 77,455.68 × 36,085.12
  4. Step 4: Simplify right side
    51,637.12x = 2,794,997,507.48
  5. Step 5: Solve for x
    x = 2,794,997,507.48/51,637.12
  6. Step 6: Final answer
    x = 54,127.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.